This could be why I haven't heard of it. I live in an urban area, but have never heard much about wood burning as a significant heat source in any nearby rural

This could be why I haven't heard of it. I live in an urban area, but have never heard much about wood burning as a significant heat source in any nearby rural area or any area where my relatives live. And in Canada, it is basically only the 200 year old places that do it. https://www150.statcan.gc.ca/n1/pub/11-526-s/2013002/t002-eng.htm https://www150.statcan.gc.ca/n1/pub/11-526-s/2013002/t002-en...